xref: /freebsd/sys/netipsec/ipsec6.h (revision 1670a1c2a47d10ecccd001970b859caf93cd3b6e)
1 /*	$FreeBSD$	*/
2 /*	$KAME: ipsec.h,v 1.44 2001/03/23 08:08:47 itojun Exp $	*/
3 
4 /*-
5  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the project nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 /*
34  * IPsec controller part.
35  */
36 
37 #ifndef _NETIPSEC_IPSEC6_H_
38 #define _NETIPSEC_IPSEC6_H_
39 
40 #include <net/pfkeyv2.h>
41 #include <netipsec/keydb.h>
42 
43 #ifdef _KERNEL
44 VNET_DECLARE(struct ipsecstat, ipsec6stat);
45 VNET_DECLARE(int, ip6_esp_trans_deflev);
46 VNET_DECLARE(int, ip6_esp_net_deflev);
47 VNET_DECLARE(int, ip6_ah_trans_deflev);
48 VNET_DECLARE(int, ip6_ah_net_deflev);
49 VNET_DECLARE(int, ip6_ipsec_ecn);
50 
51 #define	V_ipsec6stat		VNET(ipsec6stat)
52 #define	V_ip6_esp_trans_deflev	VNET(ip6_esp_trans_deflev)
53 #define	V_ip6_esp_net_deflev	VNET(ip6_esp_net_deflev)
54 #define	V_ip6_ah_trans_deflev	VNET(ip6_ah_trans_deflev)
55 #define	V_ip6_ah_net_deflev	VNET(ip6_ah_net_deflev)
56 #define	V_ip6_ipsec_ecn		VNET(ip6_ipsec_ecn)
57 
58 struct inpcb;
59 
60 extern int ipsec6_in_reject __P((struct mbuf *, struct inpcb *));
61 
62 struct ip6_hdr;
63 extern const char *ipsec6_logpacketstr __P((struct ip6_hdr *, u_int32_t));
64 
65 struct m_tag;
66 extern int ipsec6_common_input(struct mbuf **mp, int *offp, int proto);
67 extern int ipsec6_common_input_cb(struct mbuf *m, struct secasvar *sav,
68 			int skip, int protoff, struct m_tag *mt);
69 extern void esp6_ctlinput(int, struct sockaddr *, void *);
70 
71 struct ipsec_output_state;
72 extern int ipsec6_output_trans __P((struct ipsec_output_state *, u_char *,
73 	struct mbuf *, struct secpolicy *, int, int *));
74 extern int ipsec6_output_tunnel __P((struct ipsec_output_state *,
75 	struct secpolicy *, int));
76 #endif /*_KERNEL*/
77 
78 #endif /*_NETIPSEC_IPSEC6_H_*/
79